National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

42°F

6°C

Humidity 71%
Wind Speed SE 6 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 10 Jan 1:54 pm EST
Extended Forecast for

Watertown MA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 44. East wind 3 to 5 mph.

    High: 44 °F

    Cloudy

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 37. Light and variable wind becoming east around 6 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Sunday

    Sunday: A chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 41 °F

    Chance Rain
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 11pm. Partly cloudy, with a low around 25. Breezy, with a west wind 13 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Isolated
    Rain/Snow
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 9 to 13 mph, with gusts as high as 28 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 44. Southwest wind 6 to 9 mph.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind 7 to 9 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 44. East wind 3 to 5 mph.
Tonight
Rain, mainly before 4am. Low around 37. Light and variable wind becoming east around 6 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 11pm. Partly cloudy, with a low around 25. Breezy, with a west wind 13 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38. West wind 9 to 13 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 44. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South wind 7 to 9 mph.
Wednesday
Cloudy, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of rain. Cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37. Northwest wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph.
Friday
Partly sunny, with a high near 31. Northwest wind 6 to 8 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
1:42 pm EST Jan 10, 2026
Forecast Valid:
2pm EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation